public void IfTest()
{
AQuery query = _db.Query
.Let("x", AValue.If(
AFilter.Eq(AValue <Dummy> .Field(x => x.Bar), AValue.Bind(2)),
AValue <Dummy> .Field(x => x.Baz),
AValue.Bind(0)
));
Assert.AreEqual("LET x = (x.Bar == @var0 ? x.Baz : @var1)", query.GetExpression());
Assert.AreEqual(2, query.GetBindedVars()[0]);
Assert.AreEqual(0, query.GetBindedVars()[1]);
}